私は義理の妹が雑用をして気を紛らわせ、本の上に一生懸命取り組んでいるという事実を利用します

My little stepsister apart from being very cute is judicious, she is always aware of the homework and the homework at college, she knows that she has to do her homework so that my stepfather lets her go out to play with her friends, this time I take advantage of the fact that she is concentrated doing them to fuck her hard and cum on top of the study books.